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Carbohydrates are polyhydroxy aldehydes (such as glucose) or ketones (such as fructose) constructed from carbon, oxygen, and hydrogen in a proportion that approximates that of a "hydrate of carbon", or CX(H2O)X. Carbohydrates in nutritional science are synonymous with saccharides, a group that includes sugars (mono- and di-) and starches (oligo- and poly-), and provides a useable source of Calories to the body.

Our evidence-based analysis on carbohydrate features 21 unique references to scientific papers.

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